Home / 98,727.36-136,102.05-70,383.84

Finding the Fourth Proportional to 98,727.36, 136,102.05 and 70,383.84

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Solution

The fourth proportional to 98,727.36, 136,102.05 and 70,383.84 is: 97,028.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,727.36 : 136,102.05 = 70,383.84 : x
  2. Step 2: Convert to fraction form
    98,727.36/136,102.05 = 70,383.84/x
  3. Step 3: Cross multiply
    98,727.36x = 136,102.05 × 70,383.84
  4. Step 4: Simplify right side
    98,727.36x = 9,579,384,910.87
  5. Step 5: Solve for x
    x = 9,579,384,910.87/98,727.36
  6. Step 6: Final answer
    x = 97,028.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.